1) stress pre-released hydraulically

超前水力卸压
2) hydraulically stress pre-releasing

水力超前卸压
1.
Numerical simulation and experimental study of outburst prevention through hydraulically stress pre-releasing at fully mechanized coal face;
综采工作面水力超前卸压防突数值模拟与试验研究
4) Advanced bore decompression explosion

超前卸压爆破
5) excess hydraulic pressure

超水力压力
6) advanced abutment pressure

超前支承压力
1.
Distributing law of advanced abutment pressure in working face;

工作面超前支承压力分布规律
补充资料:冲击波超压与动压